Jarque-Bera test for normality -----------------------------------------------
^jb^ varname
Description -----------
^jb^ calculates the Jarque-Bera asymptotic test for normality on the specified variable in level form.
Options -------
No options available
Example -------
. ^jb^ varname
References ----------
See C.M. Jarque and A.K. Bera. 1987. "A Test for Normality of Observations and Regression Residuals. International Statistical Review 55:163-172; In Damodar Gujarati. 1995. Basic Econometrics. p. 143.
^jb^ draws on the procedure originally written by Gregorio Impavido, gimpavido@@worldbank.org The formula and code were slightly modified by J. Sky David, jsdavid@@polisci.tamu.edu